epicroutine2 epicroutine2

05-10-2020
Mathematics

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The radius of a circle is 7cm. Find the circumference of the circle. Hence find the length of an arc of the circle which subtends an angle of 450at the centre.

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chrisherzan chrisherzan

05-10-2020

Answer: 43.98cm

Step-by-step explanation: C=2πr^2

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